/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import DAO.Util.CauHoiDAO;
import Pojo.CauHoi;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author ducquyen
 */
@WebServlet(name = "TimKiemCauHoicontroller", urlPatterns = {"/TimKiemCauHoicontroller"})
public class TimKiemCauHoicontroller extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        request.setCharacterEncoding("UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /*
             * TODO output your page here. You may use following sample code.
             */
            String action = request.getParameter("Action");
            if (action != null) {
                if (action.equals("View")) {
                    
                    HttpSession session = request.getSession(true);
                    if (session.getAttribute("timKiemCauHoi_KetQuaTimKiem") != null) {
                        session.setAttribute("timKiemCauHoi_KetQuaTimKiem",null);
                    }
                    request.getRequestDispatcher("/TimKiemCauHoi.jsp").forward(request, response);
                }
                if (action.equals("TimKiem")) {
                    
                    String noiDungTimKiem = request.getParameter("noiDungCauHoi");

                    String maCauHoi = request.getParameter("maCauHoi");
                    int trang = 1;
                    if( request.getParameter("Trang")!=null){
                        trang = Integer.parseInt(request.getParameter("Trang"));
                    }else{
                        ArrayList<CauHoi> arrCauHoi = CauHoiDAO.timKiemCauHoi(noiDungTimKiem);
                        HttpSession session = request.getSession(true);
                        session.setAttribute("timKiemCauHoi_KetQuaTimKiem", arrCauHoi);
                    }
                    
                    


                    //    out.println(arrCauHoi.size());
                    request.getRequestDispatcher("/TimKiemCauHoi.jsp?Trang="+trang+"&noiDungCauHoi="+noiDungTimKiem).forward(request, response);
                }



                out.close();
            }
        } finally {
            out.close();
        }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
